Bluenose Theatre

[Adam]

Did you just measure response in one location? I used to always do that, but when I was playing around with two subs, I started measuring in two locations...and they definitely had differences.

 

[GO-NAD!]

Did you just measure response in one location? I used to always do that, but when I was playing around with two subs, I started measuring in two locations...and they definitely had differences.

Yeah, I did measure in one location. I didn't bother with different locations, because I don't really have options for moving the subs or the LP.

I'll have to experiment: no EQ, lower crossover point, etc.

 

[Adam]

Ah, what I meant was if you had the microphone in only one location. With my subs in the same place, I get different measurements at my two main listening locations. That's actually what inspired me to get the second sub, as people have said that two subs can help smooth out the response in the room.

So, changing settings to get a flat response in one location may not (probably won't) result in a flat response in another location. I mention that in case you have people sitting in different places (like maybe some are off to the side like in my room).

 

[GO-NAD!]

Ah, what I meant was if you had the microphone in only one location. With my subs in the same place, I get different measurements at my two main listening locations. That's actually what inspired me to get the second sub, as people have said that two subs can help smooth out the response in the room.

So, changing settings to get a flat response in one location may not (probably won't) result in a flat response in another location. I mention that in case you have people sitting in different places (like maybe some are off to the side like in my room).

I understood what you meant - I was covering both bases, when I said I can't move the subs or the LP. Having said that, I was measuring from the centre seat on the couch. Maybe if I measured from one or both sides of the couch, I might get a different result. When we watch a family movie, I'm normally on the left side. I'm not as fussy about the FR then though. When I watch one of "my" movies, I sit in the centre, which is why I measure from there. If I raise the subs gain, I can cover that dip, as that entire "hump" in the subwoofer FR lifts bodily. But then, the lower bass becomes obnoxious. It's not great now, but If I lower the gain more, the dip just gets deeper.

Oh, and talk about "one-note-bass",eh?

I could slide the mains out towards the sidewalls some more, but they would have to move about a foot, so that they are not behind the screen frame. Then, I could slide the subs apart some. That may help some. Only one way to find out. Trouble is, the mains will then be about 7" from the sidewalls, which may create other issues.

Thanks for the input, Adam.

 

[Adam]

Gotcha.

Dumb question - what is "LP?"

 

[GO-NAD!]

Gotcha.

Dumb question - what is "LP?"

Listening position.

...and he calls me a moron....

 

[Adam]

...and he calls me a moron....

Me being stupid doesn't make you any smarter. Moron.

 

[GO-NAD!]

Me being stupid doesn't make you any smarter. Moron.

I got nuthin'.

 

[3db]

Wow. Very nice latout. I like it.

 

[GO-NAD!]

I spent another 2.5 hours effin' around this evening. I tried taking readings from different seating positions, and although there were differences, they weren't dramatic. Couldn't really say that one seat was much better than another.

Then I turned off YPAO and took some more readings. It was quite evident that it had been making a difference - it just couldn't work miracles.

So, I moved the mains outboard of the AT screen - to where you can see them in the first photo in this thread, before the grill cloth went up. I was then able to move the subs further apart, so that they are now at 1/4 distance from the sidewalls. I then ran YPAO again and you can see the difference it made. It ain't pretty, with or without YPAO, but I guess it's better with. I think I'll have better luck with this when I build a couple of subs and EQ them separately.

 

[3db]

I spent another 2.5 hours effin' around this evening. I tried taking readings from different seating positions, and although there were differences, they weren't dramatic. Couldn't really say that one seat was much better than another.

Then I turned off YPAO and took some more readings. It was quite evident that it had been making a difference - it just couldn't work miracles.

So, I moved the mains outboard of the AT screen - to where you can see them in the first photo in this thread, before the grill cloth went up. I was then able to move the subs further apart, so that they are now at 1/4 distance from the sidewalls. I then ran YPAO again and you can see the difference it made. It ain't pretty, with or without YPAO, but I guess it's better with. I think I'll have better luck with this when I build a couple of subs and EQ them separately.

Can you move one of the subs behind your LP? For my room, as you have seen, that gave me the best response for my situation.

 

[GO-NAD!]

Can you move one of the subs behind your LP? For my room, as you have seen, that gave me the best response for my situation.

Possibly. But, that would not be approved by head office.

 

[3db]

Possibly. But, that would not be approved by head office.

LMAO yeah I hear you..... My wife doesn't like my set up in the basement either but that is MY room and she graciously tolerates it. Try it..maybe she won't notice. Get her drunk or something before showing her

 

[GO-NAD!]

LMAO yeah I hear you..... My wife doesn't like my set up in the basement either but that is MY room and she graciously tolerates it. Try it..maybe she won't notice. Get her drunk or something before showing her

The basement was my room. But now she works from home and her desk is in the rec room behind the couch, against the wall. Even if she let me put a sub behind the couch, she'd be bashing into it with her chair.

I'm looking forward to the release of the CSS SDX12. Depending on what the final specs are, and the price, 2 of these will be replace the ones I have. I'd probably go with the NU3000DSP for power and EQ.